Is arbitrum ERC-20?

Is Arbitrum ERC-20?" This question comes with a certain level of curiosity and exploration, as it delves into the technical intricacies of the crypto world. Arbitrum, being a blockchain-based scaling solution, has garnered much attention in the crypto community. ERC-20, on the other hand, is a technical standard used for smart contracts on the Ethereum blockchain, defining a common set of rules for tokens. So, to pose this question in a manner that simulates the tone of a questioner, one might say: "I've been hearing a lot about Arbitrum recently, and I'm curious to know if it falls under the ERC-20 standard. Given its role as a scaling solution, does it adhere to the ERC-20 rules or does it operate differently? I'm trying to understand the technicalities behind it and how it fits into the broader crypto ecosystem." This description maintains a questioning tone while also acknowledging the technical complexity of the subject matter. It's suitable for someone who is interested in learning more about Arbitrum and its relationship to ERC-20 tokens.